Event between 13TC146 and star UC4-387-143252 with event index number of 133993
Geocentric closest approach at 2017/07/06 19:49:55 UTC
J2000 position of star is 21:27:13.6 -12:38:16
Equinox of date position of star is 21:28:07.9 -12:33:53
Stellar brightness R=15.9
Star is 61 degrees from the moon.
Moon is 95% illuminated.
TNO apparent brightness V=21.1
TNO is 26.5 AU from the Sun
and 25.7 AU from the Earth.
The TNO is moving 18.5
km/sec on the sky relative to the star, or,
3.6 arcsec/hr.
The 1-sigma error in the time of the event is 309 seconds.
The 1-sigma cross-track error in the shadow position is
2187 km.
The TNO has an absolute magnitude Hv=6.8
Diameter=269.2 km assuming a 5% albedo -- 14.6 sec chord
Diameter=109.9 km assuming a 30% albedo -- 5.9 sec chord
Dynamical classification is CENTAURR
Star training set for 13TC146, (2017/07/06 19:50UT) Object RA Dec mag sep mel Fomalhaut 22:58:36.9 -29:31:45 1.2 26.98 78 19 Aqr 21:26:09.4 -09:40:24 6.0 2.93 61 PPM 238882 21:29:02.0 -11:51:06 8.1 0.74 61 PPM 238859 21:28:19.5 -12:27:18 9.1 0.11 61 13TC146 21:28:10.6 -12:33:40 15.9 61 Positions are for equinox of date
Azimuth is measured in degrees eastward from north. North is at an azimuth of 0, due East is at an azimuth of 90 degrees, due South is 180, and due West is 270.
Do not use the listing below for the RECON CPC 1100 telescopes. This is provided for other non-team facilities.
Star training set for 13TC146, (2017/07/06 19:50UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 26.98 78 19 Aqr 21:25:13.1 -09:44:58 6.0 2.93 61 PPM 238882 21:28:05.1 -11:55:43 8.1 0.74 61 PPM 238859 21:27:22.5 -12:31:54 9.1 0.11 61 13TC146 21:27:13.6 -12:38:16 15.9 61 Positions are for J2000
Event circumstances last updated at 2016/09/02 18:14:31 UT
Marc W. Buie, Southwest Research Institute